I kinda see your perspective; but I also mostly view them similarly to e.g. BackBlaze blogs - sure it can be viewed as taking smack about Samsung and Seagate drives failing, but I seem them as "things fail; what can we learn from it / here's our observations". And yes a little bit of self-advertising, but again, most tech blogs are, one way or another.
It just comes off as crass. Next time Cloudflare's CDN eats itself and starts vomiting up private customer data, Facebook can do a blogpost titled 'Understanding how Cloudflare exposed the private information of untold numbers of its customers'.
